// SPDX-License-Identifier: GPL-2.0+ #include #include #include #include #include #include #include #include int spl_load_image_ext(struct spl_image_info *spl_image, struct spl_boot_device *bootdev, struct blk_desc *block_dev, int partition, const char *filename) { s32 err; struct legacy_img_hdr *header; loff_t filelen, actlen; struct disk_partition part_info = {}; header = spl_get_load_buffer(-sizeof(*header), sizeof(*header)); if (part_get_info(block_dev, partition, &part_info)) { printf("spl: no partition table found\n"); return -1; } ext4fs_set_blk_dev(block_dev, &part_info); err = ext4fs_mount(part_info.size); if (!err) { #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT printf("%s: ext4fs mount err - %d\n", __func__, err); #endif return -1; } err = ext4fs_open(filename, &filelen); if (err < 0) { puts("spl: ext4fs_open failed\n"); goto end; } err = ext4fs_read((char *)header, 0, sizeof(struct legacy_img_hdr), &actlen); if (err < 0) { puts("spl: ext4fs_read failed\n"); goto end; } err = spl_parse_image_header(spl_image, bootdev, header); if (err < 0) { puts("spl: ext: failed to parse image header\n"); goto end; } err = ext4fs_read((char *)spl_image->load_addr, 0, filelen, &actlen); end: #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT if (err < 0) printf("%s: error reading image %s, err - %d\n", __func__, filename, err); #endif return err < 0; } #if CONFIG_IS_ENABLED(OS_BOOT) int spl_load_image_ext_os(struct spl_image_info *spl_image, struct spl_boot_device *bootdev, struct blk_desc *block_dev, int partition) { int err; __maybe_unused loff_t filelen, actlen; struct disk_partition part_info = {}; __maybe_unused char *file; if (part_get_info(block_dev, partition, &part_info)) { printf("spl: no partition table found\n"); return -1; } ext4fs_set_blk_dev(block_dev, &part_info); err = ext4fs_mount(part_info.size); if (!err) { #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT printf("%s: ext4fs mount err - %d\n", __func__, err); #endif return -1; } #if defined(CONFIG_SPL_ENV_SUPPORT) file = env_get("falcon_args_file"); if (file) { err = ext4fs_open(file, &filelen); if (err < 0) { puts("spl: ext4fs_open failed\n"); goto defaults; } err = ext4fs_read((void *)CONFIG_SPL_PAYLOAD_ARGS_ADDR, 0, filelen, &actlen); if (err < 0) { printf("spl: error reading image %s, err - %d, falling back to default\n", file, err); goto defaults; } file = env_get("falcon_image_file"); if (file) { err = spl_load_image_ext(spl_image, bootdev, block_dev, partition, file); if (err != 0) { puts("spl: falling back to default\n"); goto defaults; } return 0; } else { puts("spl: falcon_image_file not set in environment, falling back to default\n"); } } else { puts("spl: falcon_args_file not set in environment, falling back to default\n"); } defaults: #endif err = ext4fs_open(CONFIG_SPL_FS_LOAD_ARGS_NAME, &filelen); if (err < 0) puts("spl: ext4fs_open failed\n"); err = ext4fs_read((void *)CONFIG_SPL_PAYLOAD_ARGS_ADDR, 0, filelen, &actlen); if (err < 0) { #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT printf("%s: error reading image %s, err - %d\n", __func__, CONFIG_SPL_FS_LOAD_ARGS_NAME, err); #endif return -1; } return spl_load_image_ext(spl_image, bootdev, block_dev, partition, CONFIG_SPL_FS_LOAD_KERNEL_NAME); } #else int spl_load_image_ext_os(struct spl_image_info *spl_image, struct spl_boot_device *bootdev, struct blk_desc *block_dev, int partition) { return -ENOSYS; } #endif